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  1. E

    P38 Diesel misfire.

    Problem solved!!! I have tricked the ECU into thinking the engine is colder than it is by inserting a 3000 Ohm resistor in the feed from the engine temp sensor to the ECU (grey with blue trace). This is in series with the sensor, so increasing the resiatance. The idle is now around 900rpm but...
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    p38 wont start when engine warm

    Hello I think you will find the glow plugs do not come on when the engine is warm or hot. If this is the case a quick modification using a time relay, availible on ebay (not from myself, but I have fitted one to mine). Basically this gets the heater plugs to come on whenever you start the...
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    Changing P38 Diesel Injector pump.

    My previous thread detailed my BMW diesel engined P38 cutting out & the engine fault light illuminating plus other symptoms. The fault has now been traced to the injector pump, not the cheap one in the tank, the £1500 one on the engine. I have a workshop manual, changing the unit seams fairly...
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    P38 Diesel misfire.

    Thanks gents, its a pre egr model so has the IAT senesor not the MAF, no fuel leaks, I m not sure about the fuel lines running above rear axle as tank is located in front of the axle? I will try & get it hooked up to testbook. Mike
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    P38 Diesel misfire.

    Hope someone can help, I have a very nice P38 DSE diesel. It has started to suffer with a lumpy tickover once warmed up, is fine when cold. This often causes the engine to stall when moving from drive to reverse. Also it has now started to hesitate when at steady speed on a light throttle...
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